Extract of a Letter, lately written from Venice by the Learned Doctor Walter Pope, to the Reverend Dean of Rippon, Doctor John Wilkins, concerning the Mines of Mercury in Friuli; and a way of producing Wind by the fall of Water. · Philosophical Transactions of the Royal Society - Vol 1 - 1666 / Giving some Accompt of the present Undertakings, Studies, and Labours of the Ingenious in many considerable parts of the World